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-2
votes
0answers
16 views

load balance without default route

I am trying to set up load balancing using static routes configured in the /etc/network/interfaces file which is as follows: auto eth0 iface eth0 inet static address 192.168.1.2 netmask 255.255.255.0 ...
3
votes
2answers
153 views
+100

Apache 2.4.9 100% CPU load of random workers

I own a t1.micro EC2 instance. After release upgrade of Ubuntu to saucy I got Apache 2.4.6 and I started noticing 100% CPU load like this top - 19:37:58 up 2:55, 2 users, load average: 3.90, 2.90, ...
1
vote
3answers
61 views

Load Balancing - PHP/Mysql [closed]

I have a server which relies heavily on a MYSQL database. Recently, there have been load issues and max mysql connection issues. My idea is to have a primary server with the php code and files and a ...
0
votes
1answer
37 views

Problems with nginx server load rediculous spikes

we are having a problem with the load of our server using nginx and not sure what to do about it. We are running ubuntu 12.04. Any ideas of what is going on and how to fix it? Below is a screenshot of ...
0
votes
1answer
57 views

Configure Apache MPM worker module for 1000+ users

I have youtube proxy site http://playit.pk, the issue is that whenever users increase over 500 at an instant the server gets really slow. I am using MPM Worker module and have tried several configs.. ...
0
votes
0answers
127 views

Load testing HTTPS with Siege (open auth)

I am trying to load test our new website with siege. It is currently behind basic auth. I have edited my .siegerc file to include the right username and password (I've checked many times that it is ...
0
votes
1answer
40 views

What are acceptable failure rates in load testing scenarios

I am doing a report on load testing for a client. I am using a service called blitz IO. He would like to handle 1000 concurrent users at 500ms. Every time I have run a test like this there it has ...
0
votes
0answers
20 views

mpm worker - high server load

i have 10 wordpress site with this plugins : w3 total cache + wordpress seo my server load some time goes up. vps : 1gb ram , 4 cpu 2.6 mpm worker : StartServers 2 ServerLimit ...
0
votes
1answer
20 views

Nginx load balancing based on vhosts

Well, I've a setup with 1 load balancers and 2 backends (with nginx). They are both serving two website, beta.xxx.fr and xxx.fr. I want my load balancer to serve both websites. Have you got any idea ...
0
votes
2answers
33 views

Server load and user activity emulation software [closed]

A couple of years ago i saw a software set, whose purpose was emulating user/client activity and stress testing remote servers (mail, web, etc.). It can be installed under linux, requires a separate ...
0
votes
1answer
40 views

Off-loading HTTP traffic

Need help in off loading HTTP traffic. My web server is having a lot of traffic resulting in slow response. It is also getting requests on port 80 from various mobile applications too. Traffic from ...
-1
votes
1answer
364 views

Best Apache & MySQL config for 16GB and 8 Cores [closed]

I'm having some trouble with my servers. I'm having a peak and my servers load are very high. I have 3 servers, one for frontend, one for database (mysql) and one for delivery images (no problem with ...
1
vote
2answers
87 views

High Disk I/O on server reboot

A CentOS 5.8 machine has high Disk I/O upon starting up. The processes taking up disk IO are kmirrord, kjournald and pdflush. I have done the performed the following: 1) Mounted the filesystem with ...
0
votes
1answer
221 views

How to view CPU Load on Windows Server 2008 [duplicate]

It's a simple question, really, I'd like to check the CPU Load of my Windows Server 2008 machine. This value gets reported to Zabbix, but I have no clue where Zabbix gets the value from. All I can ...
0
votes
1answer
27 views

How to disable search body in dovecot?

We run mail server of 30k e-mail accounts (Maildir) with dovecot imap server. We suffer from high IO load, especially when a user starts to search large imap folders. Is any way of preventing search ...
0
votes
0answers
35 views

Django, fastcgi, loadbalancing extremely slow

I experience alot of problems with Django and I would be very grateful if you could help me: I run a lighttpd as a loadbalancer with the following settings: $HTTP["host"] =~ "myproject$" { ...
0
votes
0answers
64 views

What would cause temporary error 4010 (node failure) on a MySQL cluster?

We recently set up a new MySQL cluster and are trying to load data from a flat file. But we get the error “Got temporary error 4010 'Node failure caused abort of transaction' from NDBCLUSTER" when we ...
0
votes
0answers
175 views

ksoftirqd causes very high cpu usage - server is sometimes completely unusable

the ksoftirqd process on my root (Ubuntu 12.04 x64 with kernel 3.11.6) causes occasionally a very high usage of the first cpu core (sometimes only 5 minutes, then 30 minutes long, ... it feels just ...
0
votes
1answer
130 views

Ksoftirqd high load

Recently I notice that one ksoftirqd is always in top of my processlist and takes 90% - 100% cpu. PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND ...
1
vote
1answer
57 views

Acceptable linux load - count HT cores?

So the conventional notion of "acceptable load" on a *nix based box is "1.00 minus some overhead (10% give or take) per core". So if we have a 4 core machine, a load of 3.50 would be acceptable. ...
1
vote
1answer
85 views

Beginner at load balancing. How would I load balance multiple servers on different racks?

I was wondering if I had the right idea for load balancing lets say more then 42 servers. Would it be like this: As an example I'm using a performance Load Balancer with 10gbps input and lets say ...
0
votes
3answers
425 views

CentOS 6.4 running Asterisk 11.5 with high load, low CPU/memory/disk IO

I have an Asterisk server doing automated calls and I'm noticing an unexplained high load in it. The server is only running Asterisk. Database and other support applications run in a different ...
0
votes
1answer
73 views

How to setup a load balancing / fail-proof web server under Linux [closed]

the company i work for currently has 2 linux servers running under Debian that are being paid for. One of them currently hosts multiple websites + mail services as well. The other linux currently is ...
0
votes
1answer
315 views

Ubutu/KVM: High iowait on guest nodes, root node fine

Recently one of my boxes has been running quite slowly. It's running Ubuntu 12 LTS and kvm to split the server into several nodes. The box has 2 normal SATA drives using software RAID-1. One of the ...
3
votes
1answer
251 views

Measuring load - %CPU in top is different than %us

When I run TOP on a remote server, I see a very small system utilization (3.8%us). However, for the actual process I am seeing 29.6% of the CPU. Since this server has 8 CPU cores, is the %CPU the ...
0
votes
2answers
79 views

Munin's load plugin does not appear

I just did a fresh install of Munin 2.0.6-4 on a Debian 7.1 server from the debian repositories. The "load" plugin appears as loaded: # munin-node-configure | grep load load | ...
0
votes
1answer
56 views

Images load very slow on Linux server

Since some days images on our website load awfully slow without any changes on the site performed from our end. The images load really slow, but if I then save the image from the website the download ...
0
votes
1answer
55 views

Force Server to Change Load Average

Recently we got a server with Limestone Networks to operate as a worker in our web-cluster. The main infrastructure behind the cluster (being the database and load balancer) are located in Phoenix ...
0
votes
2answers
314 views

Keeping F5 (refresh button) pressed leads to high apache server load

We are running a forum software (Woltlab Burning Board) on our server and found out that if at least two users keep reloading the website very quick (keeping F5 button pressed), the server load goes ...
1
vote
1answer
41 views

Load times quick individually, very slow when put together

I'm running a standard debian apache2 web server. Recently, I've noticed my load times slow down substantially. I've checked exactly which resources are taking a long time to load, and there are 2 or ...
1
vote
1answer
212 views

CPU Usage vs load average [duplicate]

I'm running debian iostat -x Linux 2.6.32-5-amd64 (server56856.uk2net.com) 27/04/13 _x86_64_ (4 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 4.59 0.01 ...
3
votes
3answers
100 views

Running a process within a limited amount of resources, in Linux

Is there a way to run a process (e.g. ls, du, find .. etc) within a strictly limited amount of resources (i.e. cpu, memory, I/O) aside from using nice & ionice, as I didn't find them effective ...
-1
votes
2answers
49 views

server busy threshold? [closed]

i have a server with 512MB RAM running mysql and apache service. I have joomla site inside my server. I want to ask, is there a brief threshold limit of RAM when the server will be stated as busy? ...
0
votes
1answer
2k views

GlusterFs - high load 90-107% CPU

I try and try and try to performance and fix problem with gluster, i try all. I served on gluster webpages, php files, images etc. I have problem after update from 3.3.0 to 3.3.1. I try 3.4 when i ...
0
votes
1answer
80 views

Where should I configure the Director IP when using LVS NAT load balancing?

The subject is quite self explanatory, I have a load balancer running LVS ldirectord, and the follwoing configuration: # ipvsadm -Ln IP Virtual Server version 1.2.1 (size=4096) Prot ...
0
votes
1answer
53 views

Root process trying to find tcp.log .linux-sniff

I have an Ubuntu 10.04 VPS and I have noticed a root process that is trying to find some files: /usr/bin/find /dev /tmp /lib/ etc/ var ( -name tcp.log -o -name .linux-sniff -o -name sniff10 -o -name ...
0
votes
2answers
362 views

Where is the high load coming from?

Last night I recieved a lot of messages from DirectAdmin saying: load average on your system is 46.86, or some similar number. It comes with a 'top' printout, but all I can tell from that printout is ...
1
vote
0answers
473 views

Why are iptables rules needed for IPVS Load balancer to work?

I have setup a basic load balancer for http and https based on IPVS and linux virtual server. I start and configure ldirectord with the following configuration: virtual = 172.22.9.100:80 real ...
1
vote
0answers
312 views

High load on Linux machine (no IO, no CPU, no Swap)

i am experiencing a high load situation on a linux system, which was PXE booted into a initrd Ramdisk. The system is essentially idle. The system is very responsive (as if no load), yet shows a load ...
2
votes
1answer
108 views

Is there an effective way to monitor the load on each switch?

We have about 200 IP phones in our building and I realize we got more complaint about the phone quality after we switched our internet from 50Mbps to 200Mbps Up/Down. I know there's a possibility ...
-1
votes
1answer
76 views

High resolution load for Linux

The common way to determine load for Linux is via uptime, which processes /proc/loadavg. $ cat /proc/loadavg 0.64 0.68 0.69 1/558 3043 However, this information is the load average for the past ...
2
votes
1answer
78 views

2 identical servers, one slower (higher load) than the other

I have a 3 servers setup, one frontend HAproxy sending requests to 2 backend servers. The backend servers use identical hardware and also identical software (Debian 6.0.6). They are similarly ...
1
vote
1answer
100 views

What would cause an average load of 10-30 (rather than 10-30%) [duplicate]

Possible Duplicate: How to understand the memory usage and load average in linux server I'm not sure whether this would be better titled "Why would Nagios need to monitor a load reaching ...
0
votes
1answer
25 views

Listing all httpd accesses

I have a server with several domains. The server is having a heavy load but I don't know what domain is the guilty one. Is there a way to list on terminal the load per server? or what servers are ...
1
vote
4answers
483 views

Apache causes ridiculous load on server

I have apache2 running on a server. Today there were a lot of http requests (but not unusual) and somehow the load average went up to over 200(!!!). Obviously the website was down (not reachable). ...
9
votes
3answers
588 views

Load avg weirdness on Linux Ubuntu

In past few days I've been trying to understand the weirdness which is happening in our infrastructure but I haven't been able to figure it our so I'm turning to you guys to give me some hints. I've ...
3
votes
2answers
426 views

Laggy server, seems iptables is doing the load

I added a few thousand IPs packed in multiple /24 classes to a CentOS box and because of that I am getting scanned day and night. Since this server will be a workhorse and it will only need to be ...
0
votes
0answers
98 views

cannot find high load cause

I cannot find high load cause. CPU usage is not high. Maybe disk is causing high i/o, but disk utilization is not that high too. The peaks around 4:30am is backup time and not that important.
2
votes
4answers
512 views

Why my server has high load despite mere 1.5% CPU usage

In this is what whm apache status says: Current Time: Sunday, 23-Dec-2012 05:13:40 CST Restart Time: Saturday, 22-Dec-2012 13:38:12 CST Parent Server Generation: 9 Server uptime: 15 hours 35 minutes ...
3
votes
1answer
75 views

Daemon to manage maintenance scripts

I have a bunch of "night shift scripts" to maintain a server. The problem is, the "action window", when those scripts may run is always different. Sometimes there's nothing going on for minutes and ...